• Country
• Romania

• Manufacturer / Brand
• Electronica; București - Bucharest

• Year
• 1965 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 132209

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 10

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 5 AM circuit(s)     7 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Dry Batteries / D: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Mamaia S-651 T4 [5 buttons] - Electronica; București -

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 274 x 171 x 75 mm / 10.8 x 6.7 x 3 inch

• Notes

• Wavebands: 
  LW = 150 - 273 kHz
  MW = 530 - 1605 kHz
  SW = 5.9 - 18 MHz
  FM = 64 - 73 MHz (OIRT, Eastern European FM band until 1989)

  This model is similar to Mamaia (export), Mamaia 3 and Mamaia 4.

  Model S-651T was made in 4 different versions, but only with minor differences. The documentation shown here is valid for the version T₄ with 5 push buttons, one of which is for Phono.

  See also Hitachi KH-907H and KH-907H (OIRT).

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Price in first year of sale
• 1,400.00 lei

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Francisc VISKY. See "Data change" for further contributors.

• Other Models

• Here you find 90 models, 69 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electronica; București - Bucharest